IM Ruben Gideon Koellner
Country
GER
Birth Year
2004 (Age ≈22)
Gender
M
Title
International Master
FIDE ID
12993093
FIDE rating history
View rating lists
Available Games
Published games available in our archive; coverage varies by tournament. Archive last checked: 2026-10-26 (UTC).
Online games are identified from known tournament names, playing sites and PGN mode. Other games are listed as OTB (over-the-board).
| # | Date | Event | Site | Round | White | Black | Result | Moves | View |
|---|---|---|---|---|---|---|---|---|---|
| 1301 | 2022-04-26 | Titled Tue 26th Apr Late | chess.com INT | 6 | Ruben Gideon Koellner | Sanan Sjugirov | 0-1 | 44 | Open |
| 1302 | 2022-04-26 | Titled Tue 26th Apr Early | chess.com INT | 6 | Ruben Gideon Koellner | Daniel Fernandez | 1-0 | 45 | Open |
| 1303 | 2022-04-26 | Titled Tue 26th Apr Early | chess.com INT | 5 | Ben Li | Ruben Gideon Koellner | 0-1 | 45 | Open |
| 1304 | 2022-04-26 | Titled Tue 26th Apr Late | chess.com INT | 5 | Ruben Gideon Koellner | Yuniesky Quesada Perez | 1-0 | 68 | Open |
| 1305 | 2022-04-26 | Titled Tue 26th Apr Late | chess.com INT | 4 | Aleksandr Shimanov | Ruben Gideon Koellner | 1-0 | 34 | Open |
| 1306 | 2022-04-26 | Titled Tue 26th Apr Early | chess.com INT | 4 | Ruben Gideon Koellner | Maksim Chigaev | 0-1 | 42 | Open |
| 1307 | 2022-04-26 | Titled Tue 26th Apr Late | chess.com INT | 3 | Qingyu Yuan | Ruben Gideon Koellner | 0-1 | 37 | Open |
| 1308 | 2022-04-26 | Titled Tue 26th Apr Early | chess.com INT | 3 | Ruben Gideon Koellner | Cem Kaan Gokerkan | 1-0 | 48 | Open |
| 1309 | 2022-04-26 | Titled Tue 26th Apr Late | chess.com INT | 2 | Ruben Gideon Koellner | Rodrigo Vasquez Schroeder | 1/2-1/2 | 75 | Open |
| 1310 | 2022-04-26 | Titled Tue 26th Apr Early | chess.com INT | 2 | Mihnea Costachi | Ruben Gideon Koellner | 1/2-1/2 | 66 | Open |
| 1311 | 2022-04-26 | Titled Tue 26th Apr Early | chess.com INT | 1 | Cumayi Unver | Ruben Gideon Koellner | 0-1 | 53 | Open |
| 1312 | 2022-04-26 | Titled Tue 26th Apr Late | chess.com INT | 1 | Ruben Gideon Koellner | Cristiano Gomes De Souza | 1-0 | 25 | Open |
| 1313 | 2022-04-26 | Titled Tue 26th Apr Early | chess.com INT | 11 | Todd Andrews | Ruben Gideon Koellner | 0-1 | 58 | Open |
| 1314 | 2022-04-26 | Titled Tue 26th Apr Early | chess.com INT | 10 | Ruben Gideon Koellner | Gianmarco Leiva | 0-1 | 35 | Open |
| 1315 | 2022-04-10 | Bundesliga 2021-22 | Aachen GER | 4.4 | Ruben Gideon Koellner | Thomas Huesmann | 1-0 | 43 | Open |
| 1316 | 2022-04-09 | Bundesliga 2021-22 | Aachen GER | 3.4 | Paul Wiedenbruch | Ruben Gideon Koellner | 0-1 | 42 | Open |
| 1317 | 2022-04-05 | Titled Tue 5th Apr Early | chess.com INT | 6 | Roman Kezin | Ruben Gideon Koellner | 1-0 | 39 | Open |
| 1318 | 2022-04-05 | Titled Tue 5th Apr Late | chess.com INT | 6 | Ruben Gideon Koellner | Krikor Sevag Mekhitarian | 0-1 | 40 | Open |
| 1319 | 2022-04-05 | Titled Tue 5th Apr Late | chess.com INT | 5 | Regita Desyari Putri | Ruben Gideon Koellner | 0-1 | 38 | Open |
| 1320 | 2022-04-05 | Titled Tue 5th Apr Early | chess.com INT | 5 | Dmitry Maximov | Ruben Gideon Koellner | 1-0 | 40 | Open |
| 1321 | 2022-04-05 | Titled Tue 5th Apr Early | chess.com INT | 4 | Ruben Gideon Koellner | Nikolay Noritsyn | 1-0 | 57 | Open |
| 1322 | 2022-04-05 | Titled Tue 5th Apr Late | chess.com INT | 4 | Ruben Gideon Koellner | Leonardo Tristan | 0-1 | 36 | Open |
| 1323 | 2022-04-05 | Titled Tue 5th Apr Late | chess.com INT | 3 | Jules Moussard | Ruben Gideon Koellner | 1-0 | 62 | Open |
| 1324 | 2022-04-05 | Titled Tue 5th Apr Early | chess.com INT | 3 | Ruben Gideon Koellner | V Pranav | 0-1 | 70 | Open |
| 1325 | 2022-04-05 | Titled Tue 5th Apr Early | chess.com INT | 2 | Gianmarco Leiva | Ruben Gideon Koellner | 0-1 | 28 | Open |
| 1326 | 2022-04-05 | Titled Tue 5th Apr Late | chess.com INT | 2 | Ruben Gideon Koellner | Miran Oganian | 1-0 | 61 | Open |
| 1327 | 2022-04-05 | Titled Tue 5th Apr Late | chess.com INT | 1 | 2605767 | Ruben Gideon Koellner | 0-1 | 27 | Open |
| 1328 | 2022-04-05 | Titled Tue 5th Apr Early | chess.com INT | 1 | Mohammad Mohammadian | Ruben Gideon Koellner | 0-1 | 47 | Open |
| 1329 | 2022-03-29 | Titled Tue 29th Mar Early | chess.com INT | 5 | Christian Polster | Ruben Gideon Koellner | 1-0 | 53 | Open |
| 1330 | 2022-03-29 | Titled Tue 29th Mar Early | chess.com INT | 4 | Josefine Safarli | Ruben Gideon Koellner | 1-0 | 28 | Open |
| 1331 | 2022-03-29 | Titled Tue 29th Mar Early | chess.com INT | 3 | Ruben Gideon Koellner | Anysia Thomas | 0-1 | 86 | Open |
| 1332 | 2022-03-29 | Titled Tue 29th Mar Early | chess.com INT | 2 | Aleksey Dreev | Ruben Gideon Koellner | 1-0 | 33 | Open |
| 1333 | 2022-03-29 | Titled Tue 29th Mar Early | chess.com INT | 1 | Hrvoje Fajdetic | Ruben Gideon Koellner | 0-1 | 35 | Open |
| 1334 | 2022-03-22 | Titled Tue 22nd Mar Early | chess.com INT | 9 | Luiz Antonio Coel Araujo Filho | Ruben Gideon Koellner | 0-1 | 32 | Open |
| 1335 | 2022-03-22 | Titled Tue 22nd Mar Early | chess.com INT | 8 | Ruben Gideon Koellner | Miran Oganian | 0-1 | 42 | Open |
| 1336 | 2022-03-22 | Titled Tue 22nd Mar Early | chess.com INT | 7 | Ruben Gideon Koellner | Olzhas Khamzin | 1/2-1/2 | 49 | Open |
| 1337 | 2022-03-22 | Titled Tue 22nd Mar Early | chess.com INT | 6 | Khazar Babazada | Ruben Gideon Koellner | 1-0 | 45 | Open |
| 1338 | 2022-03-22 | Titled Tue 22nd Mar Early | chess.com INT | 5 | Ruben Gideon Koellner | Marius Manolache | 1-0 | 69 | Open |
| 1339 | 2022-03-22 | Titled Tue 22nd Mar Early | chess.com INT | 4 | Aleksey Dreev | Ruben Gideon Koellner | 1-0 | 81 | Open |
| 1340 | 2022-03-22 | Titled Tue 22nd Mar Early | chess.com INT | 3 | Ruben Gideon Koellner | Pavel Smirnov | 1-0 | 30 | Open |
| 1341 | 2022-03-22 | Titled Tue 22nd Mar Early | chess.com INT | 2 | Vjacheslav Weetik | Ruben Gideon Koellner | 0-1 | 47 | Open |
| 1342 | 2022-03-22 | Titled Tue 22nd Mar Early | chess.com INT | 1 | Ruben Gideon Koellner | Manuel Petrosyan | 1/2-1/2 | 74 | Open |
| 1343 | 2022-03-22 | Titled Tue 22nd Mar Early | chess.com INT | 11 | Ruben Gideon Koellner | Abtin Atakhan | 0-1 | 28 | Open |
| 1344 | 2022-03-22 | Titled Tue 22nd Mar Early | chess.com INT | 10 | Simon K Williams | Ruben Gideon Koellner | 0-1 | 43 | Open |
| 1345 | 2022-03-20 | Primavera Cattolica Open | Cattolica ITA | 8.7 | Moksh Amit Doshi | Ruben Gideon Koellner | 1-0 | 54 | Open |
| 1346 | 2022-03-19 | Primavera Cattolica Open | Cattolica ITA | 7.8 | Ruben Gideon Koellner | Ivajlo Enchev | 1/2-1/2 | 43 | Open |
| 1347 | 2022-03-19 | Primavera Cattolica Open | Cattolica ITA | 6.1 | Anastasios Koukas | Ruben Gideon Koellner | 0-1 | 52 | Open |
| 1348 | 2022-03-18 | Primavera Cattolica Open | Cattolica ITA | 5.14 | Ruben Gideon Koellner | Michael Kotyk | 1-0 | 26 | Open |
| 1349 | 2022-03-18 | Primavera Cattolica Open | Cattolica ITA | 4.9 | Evan Park | Ruben Gideon Koellner | 1-0 | 58 | Open |
| 1350 | 2022-03-17 | Primavera Cattolica Open | Cattolica ITA | 3.1 | Ruben Gideon Koellner | Khumoyun Begmuratov | 1/2-1/2 | 77 | Open |
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